function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

var browser = new Browser();

// Global object to hold drag information.
var scroll_speed=3;
var dragObj = new Object();
var clicked=new Object();
dragObj.zIndex = 0;
var currentEvent=0
//var arrowsHeight=10;
//var scrollerHeight=7;
var px="px";
function dragStart(event) {
	var el;
	var x, y;
	currentEvent=1;
	dragObj.elNode=this;
	dragObj.index=dragObj.elNode.getAttribute("id").substr(6,2);
    //if (browser.isIE) dragObj.elNode = window.event.srcElement;
    //if (browser.isNS) dragObj.elNode = event.target;
    // If this is a text node, use its parent element.
    if (dragObj.elNode.nodeType == 3) dragObj.elNode = dragObj.elNode.parentNode;
	dragObj.scrollHeight=scrollerHeight[dragObj.index];
	dragObj.elStartTop=dragObj.elNode.offsetTop;
	//dragObj.elStartLeft=dragObj.elNode.offsetLeft;
  // Get cursor position with respect to the page.
  if (browser.isIE) {
    //x = window.event.clientX + document.documentElement.scrollLeft + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop + document.body.scrollTop;
  }
  if (browser.isNS) {
   // x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }
  // Save starting positions of cursor and element.
  //dragObj.cursorStartX = x;
  dragObj.cursorStartY = y;
  dragObj.startY=y-dragObj.elNode.offsetTop;
  dragObj.contenuStarty=document.getElementById("contenu"+dragObj.index).offsetTop;
  
  //if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
  if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = 0;

  // Update element's z-index.
	//oCurseur.css.zIndex= ++dragObj.zIndex;
  // Capture mousemove and mouseup events on the page.

  if (browser.isIE) {
    document.attachEvent("onmousemove",dragGo);
    document.attachEvent("onmouseup",dragStop);
	//document.getElementById("arrowup"+dragObj.index).detachEvent("onmouseover");
	//document.getElementById("arrowdown"+dragObj.index).detachEvent("onmouseover");
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS) {
    document.addEventListener("mousemove", dragGo,   true);
    document.addEventListener("mouseup",   dragStop, true);
	//document.getElementById("arrowup"+dragObj.index).removeEventListener("mouseover",scrollup,true);
	//document.getElementById("arrowdown"+dragObj.index).removeEventListener("mouseover",scrolldown,true);
    event.preventDefault();
  }
}

function dragGo(event) {

  var x, y;

  // Get cursor position with respect to the page.

  if (browser.isIE) {
   // x = window.event.clientX + document.documentElement.scrollLeft + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop + document.body.scrollTop;
  }
  if (browser.isNS) {
   // x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }
  dragObj.elNode.style.top=(y + dragObj.elStartTop-dragObj.cursorStartY)+px;
  dragObj.elNode.y=dragObj.elStartTop  + y - dragObj.cursorStartY;
	if(dragObj.elNode.y<arrowsHeight[dragObj.index]){
		dragObj.elNode.y=document.getElementById("arrowup"+dragObj.index).offsetTop+arrowsHeight[dragObj.index];
		dragObj.elNode.style.top=dragObj.elNode.y+px;
	}
	if(dragObj.elNode.y>document.getElementById("arrowdown"+dragObj.index).offsetTop-dragObj.scrollHeight){
		dragObj.elNode.y= document.getElementById("arrowdown"+dragObj.index).offsetTop-dragObj.scrollHeight
		dragObj.elNode.style.top= dragObj.elNode.y+px;
	}
	document.getElementById("contenu"+dragObj.index).y=dragObj.contenuStarty-(((document.getElementById("contenu"+dragObj.index).offsetHeight-document.getElementById("conteneur"+dragObj.index).offsetHeight)/(document.getElementById("arrowdown"+dragObj.index).offsetTop-document.getElementById("arrowup"+dragObj.index).offsetTop-scrollerHeight[dragObj.index]-arrowsHeight[dragObj.index]))*(dragObj.elNode.y-dragObj.elStartTop));
	document.getElementById("contenu"+dragObj.index).style.top=document.getElementById("contenu"+dragObj.index).y+px;
	if (browser.isIE) {
		window.event.cancelBubble = true;
		window.event.returnValue = false;
	}
	if (browser.isNS)event.preventDefault();
}

function dragStop(event) {
  if (browser.isIE) {
    document.detachEvent("onmousemove",dragGo);
    document.detachEvent("onmouseup",dragStop);
  }
  if (browser.isNS) {
    document.removeEventListener("mousemove",dragGo,true);
    document.removeEventListener("mouseup",dragStop,true);
  }
}
function show_langues(){
	if(opened){
		document.getElementById("langues").style.left=-207+px;
		opened=0;
	}else{
		document.getElementById("langues").style.left=0+px;
		opened=1;
	}
}
////////////////////////////////////////////////////////
function scrollup(event){
	clicked.elNode=this;
	clicked.index=clicked.elNode.getAttribute("id").substr(7,2);
	//document.getElementById("contenu"+dragObj.index).style.top=(parseInt(document.getElementById("contenu"+dragObj.index).offsetTop)+1)+px;
	timer=setTimeout("runScroll("+clicked.index+",'up')",1);
	
}
function scrolldown(event){
	clicked.elNode=this;
	clicked.index=clicked.elNode.getAttribute("id").substr(9,2);
	//document.getElementById("contenu"+dragObj.index).style.top=(parseInt(document.getElementById("contenu"+dragObj.index).offsetTop)-1)+px;
	timer=setTimeout("runScroll("+clicked.index+",'down')",1);
}
function runScroll(i,direction){
	if(direction=="down"){
		if(parseInt(document.getElementById("tacket"+i).offsetTop)<parseInt(document.getElementById("arrowdown"+i).offsetTop)-arrowsHeight[i]+scroll_speed){
			document.getElementById("tacket"+i).style.top=(parseInt(document.getElementById("tacket"+i).offsetTop)+scroll_speed)+px;
			document.getElementById("contenu"+i).style.top=-((parseInt(document.getElementById("tacket"+i).offsetTop)-parseInt(document.getElementById("arrowup"+i).offsetTop)-parseInt(arrowsHeight[i]))*document.getElementById("tacket"+i).rapport)+px;
		}
	}else{
		if(parseInt(document.getElementById("tacket"+i).offsetTop)>parseInt(document.getElementById("arrowup"+i).offsetTop)+arrowsHeight[i]){
			document.getElementById("tacket"+i).style.top=(parseInt(document.getElementById("tacket"+i).offsetTop)-scroll_speed)+px;
			document.getElementById("contenu"+i).style.top=-((parseInt(document.getElementById("tacket"+i).offsetTop)-parseInt(document.getElementById("arrowup"+i).offsetTop)-parseInt(arrowsHeight[i]))*document.getElementById("tacket"+i).rapport)+px; //- parseInt(document.getElementById("arrowup"+i).offsetTop) + arrowsHeight[i] ));//*document.getElementById("tacket"+i).rapport)  )+px;
		}
	}
	
	timer=setTimeout("runScroll("+i+",'"+direction+"')",1);
}
function stopscroll(){
	clearTimeout(timer);
}
////////////////////////////////////////////////////////
function winInit(){
	
	var i=1;
	if(document.getElementById("langues")) document.getElementById("langues").onclick=show_langues;
	while(document.getElementById("tacket"+i)){
		document.getElementById("arrowup"+i).onmouseover=scrollup;
		document.getElementById("arrowdown"+i).onmouseover=scrolldown;
		document.getElementById("arrowup"+i).onmouseout=stopscroll;
		document.getElementById("arrowdown"+i).onmouseout=stopscroll;
		document.getElementById("tacket"+i).onmousedown=dragStart;
		document.getElementById("conteneur"+i).style.top=contenuTop[i]+px;
		document.getElementById("conteneur"+i).style.left=contenuLeft[i]+px;
		document.getElementById("conteneur"+i).style.width=contenuWidth[i]+px;
		document.getElementById("conteneur"+i).style.height=contenuHeight[i]+px;
		document.getElementById("contenu"+i).style.width=contenuWidth[i]+px;
		document.getElementById("scrollbar"+i).style.top=scrollbarTop[i]+px;
		document.getElementById("scrollbar"+i).style.left=scrollbarLeft[i]+px;
		document.getElementById("scrollbar"+i).style.width=scrollWidth[i]+px;
		document.getElementById("scrollbar"+i).style.height=scrollbarHeight[i]+px;
		document.getElementById("tacket"+i).style.width=scrollWidth[i]+px;
		document.getElementById("tacket"+i).style.height=scrollerHeight[i]+px;
		document.getElementById("tacket"+i).style.top=arrowsHeight[i]+px;
		document.getElementById("arrowup"+i).style.width=scrollWidth[i]+px;
		document.getElementById("arrowup"+i).style.height=arrowsHeight[i]+px;
		document.getElementById("arrowdown"+i).style.width=scrollWidth[i]+px;
		document.getElementById("arrowdown"+i).style.height=arrowsHeight[i]+px;
		document.getElementById("arrowdown"+i).style.top=(scrollbarHeight[i]-arrowsHeight[i])+px;
		if(document.getElementById("scrollbar"+i).offsetHeight>document.getElementById("contenu"+i).offsetHeight){
			document.getElementById("scrollbar"+i).style.display="none";
			document.getElementById("scroller"+i).style.width=(parseInt(scrollbarLeft[i])+parseInt(scrollWidth[i])+1)+px;
			document.getElementById("conteneur"+i).style.width=parseInt(scrollbarLeft[i])+px;
			document.getElementById("contenu"+i).style.width=(scrollbarLeft[i]-scrollWidth[i])+px;
		}
		document.getElementById("tacket"+i).rapport=(document.getElementById("contenu"+i).offsetHeight-document.getElementById("conteneur"+i).offsetHeight)/(document.getElementById("arrowdown"+i).offsetTop-document.getElementById("arrowup"+i).offsetTop-scrollerHeight[i]-arrowsHeight[i])
		//alert(document.getElementById("tacket"+i).rapport);
		//alert(parseInt(document.getElementById("tacket"+i).offsetTop)-parseInt(document.getElementById("arrowup"+i).offsetTop)-parseInt(arrowsHeight[i]));
		i++;
	}
	//alert(document.getElementById("tacket"+i).rapport);
	
}
var rapport;
var opened=1;
onload = winInit;